21 lines
397 B
JavaScript
21 lines
397 B
JavaScript
const express = require("express");
|
|
const app = express();
|
|
|
|
app.get("/", (req, res) => {
|
|
asyncWork(() => {
|
|
let msg = req.query.msg;
|
|
if (Array.isArray(msg)) msg = msg.pop();
|
|
const upper = (msg || "").toUpperCase();
|
|
res.send(upper);
|
|
});
|
|
});
|
|
|
|
app.listen(3000, () => {
|
|
console.log("Server listening on port 3000");
|
|
});
|
|
|
|
asyncWork = (callback) => {
|
|
setTimeout(callback, 0);
|
|
};
|
|
|